Home / 59,783.24-89,631.12-20,329.76

Finding the Fourth Proportional to 59,783.24, 89,631.12 and 20,329.76

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Solution

The fourth proportional to 59,783.24, 89,631.12 and 20,329.76 is: 30,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,783.24 : 89,631.12 = 20,329.76 : x
  2. Step 2: Convert to fraction form
    59,783.24/89,631.12 = 20,329.76/x
  3. Step 3: Cross multiply
    59,783.24x = 89,631.12 × 20,329.76
  4. Step 4: Simplify right side
    59,783.24x = 1,822,179,158.13
  5. Step 5: Solve for x
    x = 1,822,179,158.13/59,783.24
  6. Step 6: Final answer
    x = 30,479.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.